package com.gaolang.web.config.security;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.gaolang.web.response.Result;
import com.gaolang.web.response.ResultCode;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author: 小何
 * @description: 当访问接口没有权限时， 自定义返回结果
 * @date: 2021-02-25 16:10
 */
@Component
public class RestfulAccessDeniedHandler implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException e) throws IOException, ServletException {
        response.setCharacterEncoding("utf-8");
        response.setContentType("application/json");
        PrintWriter out = response.getWriter();


        out.write(new ObjectMapper().writeValueAsString(Result.error(ResultCode.NO_PERMISSION)));
        out.flush();
        out.close();
    }
}   